399601664

素因数分解:

$2^{12}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 156

約数和(自身を含む): 1019681208

約数和(自身を除く): 620079544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 181, 196, 224, 256, 308, 352, 362, 392, 448, 512, 539, 616, 704, 724, 784, 896, 1024, 1078, 1232, 1267, 1408, 1448, 1568, 1792, 1991, 2048, 2156, 2464, 2534, 2816, 2896, 3136, 3584, 3982, 4096, 4312, 4928, 5068, 5632, 5792, 6272, 7168, 7964, 8624, 8869, 9856, 10136, 11264, 11584, 12544, 13937, 14336, 15928, 17248, 17738, 19712, 20272, 22528, 23168, 25088, 27874, 28672, 31856, 34496, 35476, 39424, 40544, 45056, 46336, 50176, 55748, 63712, 68992, 70952, 78848, 81088, 92672, 97559, 100352, 111496, 127424, 137984, 141904, 157696, 162176, 185344, 195118, 200704, 222992, 254848, 275968, 283808, 315392, 324352, 370688, 390236, 445984, 509696, 551936, 567616, 648704, 741376, 780472, 891968, 1019392, 1103872, 1135232, 1297408, 1560944, 1783936, 2038784, 2207744, 2270464, 2594816, 3121888, 3567872, 4077568, 4540928, 5189632, 6243776, 7135744, 8155136, 9081856, 12487552, 14271488, 18163712, 24975104, 28542976, 36327424, 49950208, 57085952, 99900416, 199800832, 399601664]

約数ペア:

[(1, 399601664), (2, 199800832), (4, 99900416), (7, 57085952), (8, 49950208), (11, 36327424), (14, 28542976), (16, 24975104), (22, 18163712), (28, 14271488), (32, 12487552), (44, 9081856), (49, 8155136), (56, 7135744), (64, 6243776), (77, 5189632), (88, 4540928), (98, 4077568), (112, 3567872), (128, 3121888), (154, 2594816), (176, 2270464), (181, 2207744), (196, 2038784), (224, 1783936), (256, 1560944), (308, 1297408), (352, 1135232), (362, 1103872), (392, 1019392), (448, 891968), (512, 780472), (539, 741376), (616, 648704), (704, 567616), (724, 551936), (784, 509696), (896, 445984), (1024, 390236), (1078, 370688), (1232, 324352), (1267, 315392), (1408, 283808), (1448, 275968), (1568, 254848), (1792, 222992), (1991, 200704), (2048, 195118), (2156, 185344), (2464, 162176), (2534, 157696), (2816, 141904), (2896, 137984), (3136, 127424), (3584, 111496), (3982, 100352), (4096, 97559), (4312, 92672), (4928, 81088), (5068, 78848), (5632, 70952), (5792, 68992), (6272, 63712), (7168, 55748), (7964, 50176), (8624, 46336), (8869, 45056), (9856, 40544), (10136, 39424), (11264, 35476), (11584, 34496), (12544, 31856), (13937, 28672), (14336, 27874), (15928, 25088), (17248, 23168), (17738, 22528), (19712, 20272)]